主演:布鲁诺·阿马托 Cleo Antonelli Brad Bishop Chip Bolcik Aaron Bowden Caleb Brown Diana Dencker Sharon Ferguson Olivia Fox Skot Garret Cesar Giraldo Chris Hampton Ray Huizar Miguel Kanski 凯丽·科纳佩
主演:Frank Drake Carolyn Porco John Casani Lawrence Krauss Timothy Ferris Edward Stone Nick Sagan Larry Soderblom Charley Kohlhase Fran Bagenal James F. Bell Frank Locatell Suzanne Dodd Jon Lomberg Heidi Hammel